Features: 1.MULTI-PURPOSE. Each stair tread jig includes two pieces, together they make up one complete tread tool.Manufactured of stainless steel to last a for lifetime.Perfect for laying out stair treads, risers, and shelving. 2.DURABLE AND PRACTICAL. Made of impact and chemical resistant metal material, which are very durable and reusable. 3.EASY TO USE. Very easy to adjust the angle and length to match any job requirement.Securely locks into place using 4x knobs.Simple, easy to use and utterly indispensable for accurate cuts and measurements. 4.LENGTH ADJUSTABLE. We offer you 2 types of stair tread measuring tool, long version Measuring Range: 8-14 Inches, and short version Measuring Range: 30-49 Inches. 5.WIDE APPLICATIONS. Works great with stairs, risers and shelves,etc measuring. Easy to handle and adjust for the correct angles. Portable and simple. Stair tread template tool will help you lay out stair treads, risers, and shelving to perfection. Specifications: Material: Wood; Stainless Steel Color: As picture shown Stair Tread Template Size: 12in Short Version Measuring Range: 8-14 Inches Long Version Measuring Range: 30-49 Inches Weight: Approx. 650g Package Includes: 1 Piece Stair Measuring Tool note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!